Adding proxy for fallback GitBlit Logo Servlet

Change-Id: I5b9f00838f645429844ad3da3970da9f48a70df6
diff --git a/src/main/java/com/googlesource/gerrit/plugins/gitblit/GitBlitModule.java b/src/main/java/com/googlesource/gerrit/plugins/gitblit/GitBlitModule.java
index 7df9405..0590bb3 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/gitblit/GitBlitModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/gitblit/GitBlitModule.java
@@ -44,6 +44,8 @@
     serve("/pages/*").with(WrappedPagesServlet.class);
     serve("/feed/*").with(WrappedSyndicationServlet.class);
     serve("/zip/*").with(WrappedDownloadZipServlet.class);
+    serve("/logo.png").with(WrappedLogoServlet.class);
+    serve("/static/logo.png").with(WrappedLogoServlet.class);
 
     filter("/*").through(GerritWicketFilter.class);
     filter("/pages/*").through(WrappedPagesFilter.class);
diff --git a/src/main/java/com/googlesource/gerrit/plugins/gitblit/WrappedLogoServlet.java b/src/main/java/com/googlesource/gerrit/plugins/gitblit/WrappedLogoServlet.java
new file mode 100644
index 0000000..1edea30
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/gitblit/WrappedLogoServlet.java
@@ -0,0 +1,27 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.googlesource.gerrit.plugins.gitblit;
+
+import com.gitblit.LogoServlet;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+@Singleton
+@SuppressWarnings("serial")
+public class WrappedLogoServlet extends LogoServlet {
+  @Inject
+  public WrappedLogoServlet() {
+    super();
+  }
+}